Global Warming and Its Effects

What is global warming? Global warming is when the earth heats up (the temperature rises). It happens when greenhouse gases (carbon dioxide, water vapor, nitrous oxide, and methane) trap heat and light from the sun in the earth’s atmosphere, which increases the temperature. This hurts many people, animals, and plants. Many cannot take the change, so they die. However, global warming has its causes and it also has its effects on humans, and animals. Many things cause global warming. One thing that causes global warming is electrical pollution. Electricity causes pollution in many ways, some worse than others. In most cases, fossil fuels are burned to create electricity. Fossil fuels are made of dead plants and animals. Some examples of fossil fuels are oil and petroleum. Many pollutants (chemicals that pollute the air, water, and land) are sent into the air when fossil fuels are burned. Some of these chemicals are called greenhouse gasses. We use these sources of energy much more than the sources that give off less pollution. Petroleum, one of the sources of energy, is used a lot. It is used for transportation, making electricity, and making many other things. Although this source of energy gives off a lot of pollution, it is used for 38% of the United States’ energy. Some other examples of using energy and polluting the air are: Turning on a light, watching television, listening to a stereo, washing or drying clothes, using a hair dryer, riding in a car, heating a meal in the microwave, using an air conditioner, playing a video game, and using a dish washer. When you do these things, you are causing more greenhouse gasses to be sent into the air. Many chemical compounds found in the Earth’s atmosphere act as “greenhouse gases.” These gases allow sunlight to enter the atmosphere freely. When sunlight strikes the Earth’s surface, some of it is reflected back towards space as infrared radiation (heat). Greenhouse gases absorb this infrared radiation and trap the heat in the atmosphere. Over time, the amount of energy sent from the sun to the Earth’s surface should be about the same as the amount of energy radiated back into space, leaving the temperature of the Earth’s surface roughly constant. Many gases exhibit these “greenhouse” properties. Some of them occur in nature (water vapor, carbon dioxide, methane, and nitrous oxide), while others are exclusively human-made (like gases used for aerosols). Greenhouse gasses are sent into the air because creating the electricity you use to do these things causes pollution. If you think of how many times a day you do these things, it’s a lot. You even have to add in how many other people do these things! That turns out to be a lot of pollutants going into the air a day because of people like us using electricity. The least amount of electricity you use, the better. Global warming pretty much has an effect on almost everything in the world, most of these effects are on humans. Some examples of these effects are the spread of disease. For example, As northern countries warm, disease carrying insects migrate north, bringing plague and disease with them. Indeed some scientists believe that in some countries, thanks to global warming malaria has not been fully eradicated. Also more natural disasters occur more often like hurricanes, tsunamis, and floods. As well as migrations, conflicts, and war happen. In addition to war humans suffer the loss of biodiversity and animal extinction which can lead to death and hunger. Moreover, global warming can lead to the death of ocean life, for example, The world’s oceans absorb roughly 30% of all anthropogenic carbon dioxide that seeps into the atmosphere, and so inevitably, as more fossil fuels are burned, ocean life will continue to suffer the negative consequences of global warming. However, humans are not the only species that suffer to global warming, as well as humans,...

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